benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 alki, 1998-09-08,  JUSTIN DAHLBERG ,  NATIONAL GEODETIC SU,  TRIMBLE 4000SSE,  4869,  Nav,  TRM22020.00+GP,  76725,  NONE, 2, 0, 15, 175115
 alki, 1998-09-09,  JUSTIN DAHLBERG ,  NATIONAL GEODETIC SU,  TRIMBLE 4000SSE,  4869,  Nav,  TRM22020.00+GP,  76725,  NONE, 2, 0, 15, 135215
 alki, 1998-09-10,  JUSTIN DAHLBERG ,  NATIONAL GEODETIC SU,  TRIMBLE 4000SSE,  4869,  Nav,  TRM22020.00+GP,  76725,  NONE, 2, 0, 15, 174315
 alki Alkali_1948_USC&GS, 2006-09-26,  BW_ ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031615,  NONE, 1.2197, 1.2688, 30, 1620
 alki Alkali_1948_USC&GS, 2006-09-27,  BW_ ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031615,  NONE, 1.2278, 1.2769, 30, 1620
 alki Alkali_1948_USC&GS, 2010-09-10,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.6658, 0.7259, 15, 151415
 alki Alkali_1948_USC&GS, 2010-09-11,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.6658, 0.7259, 15, 0